Best Time to Fly TUL to ATL: On-Time Stats by Hour & Airline
Tulsa International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 88.0% of Tulsa (TUL) to Atlanta (ATL) flights arrived on time (1,576 scheduled flights). That is 10.3 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
November has been the best month (92% on time) and Sunday the weakest day of the week (81%).
2.4% of flights were cancelled, versus 1.8% nationally.
TUL to ATL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 88.0% | 113 min | 2.4% | 1,576 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TUL to ATL
On-time arrival % by scheduled departure hour (local time), 3,113 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.8% | 5.8% | 156 |
| 6am–7am | 90.4% | 1.7% | 574 |
| 9am–10am | 86.7% | 0.0% | 30 |
| 10am–11am | 93.2% | 1.7% | 461 |
| 11am–12pm | 85.3% | 2.5% | 161 |
| 12pm–1pm | 86.7% | 0.5% | 383 |
| 1pm–2pm | 87.2% | 1.6% | 191 |
| 2pm–3pm | 78.7% | 0.0% | 47 |
| 3pm–4pm | 83.3% | 1.5% | 67 |
| 4pm–5pm | 81.4% | 0.8% | 398 |
| 5pm–6pm | 84.7% | 2.8% | 181 |
| 6pm–7pm | 80.2% | 2.8% | 464 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TUL to ATL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.6% | -4.0 pts | 0.0% | 62 |
| Christmas & New Year (Dec 20 - Jan 3) | 89.5% | +1.9 pts | 4.4% | 90 |
| Summer peak (Jun 15 - Aug 15) | 82.2% | -5.4 pts | 2.4% | 579 |
| All other days | 87.6% | — | 1.7% | 2,382 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).